AS200233 — bfh Berner Fachhochschule

AS200233 announces 3 IPv4 prefixes covering 67,840 addresses and 2 IPv6 prefixes.

About this network

BFH is operated by Berner Fachhochschule, a public vocational university in Switzerland.

What it's used for

• The address space carries university infrastructure, evidenced by netnames bfh-ipv4, bfh-ti-ipv4, and BFH-OPEN-INFRASTRUCTURE-20230905, with reverse DNS pointing to web.open-infrastructure.net.
• The AS announces 67,840 IPv4 addresses across 3 prefixes and 2 IPv6 prefixes, while maintaining only 1 observed neighbour, indicating an isolated academic network rather than a transit provider.
• Traffic consists of campus users, research systems, and administrative endpoints for the university's various schools and departments.

Notable

• Registrants for all announced prefixes consistently list Berner Fachhochschule and BFH IT-Services, aligning perfectly with the AS holder.
• The inventory includes a large /16 block (147.87.0.0/16) alongside smaller /21 and /24 allocations, reflecting a standard academic address estate.
• The AS was first seen in routing tables in March 2023, indicating a relatively recent autonomous system deployment for the institution.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 138.124.176.0/24
• 147.87.0.0/16
• 193.5.80.0/21
• 2a07:6b40::/29
• 2a13:181::/32

Upstream networks

• AS559 SWITCH

Adjacent networks

• AS559 SWITCH

Routing security

• RPKI: 5 valid, 0 invalid and 0 not-found announcements; 5 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 6 route objects.
• Listed in as-sets: AS559:AS-CUSTOMERS.